Home / 26,390,131.80-36,396,789.90-18,575,513.48

Finding the Fourth Proportional to 26,390,131.80, 36,396,789.90 and 18,575,513.48

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Solution

The fourth proportional to 26,390,131.80, 36,396,789.90 and 18,575,513.48 is: 25,619,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390,131.80 : 36,396,789.90 = 18,575,513.48 : x
  2. Step 2: Convert to fraction form
    26,390,131.80/36,396,789.90 = 18,575,513.48/x
  3. Step 3: Cross multiply
    26,390,131.80x = 36,396,789.90 × 18,575,513.48
  4. Step 4: Simplify right side
    26,390,131.80x = 676,089,061,416,177.88
  5. Step 5: Solve for x
    x = 676,089,061,416,177.88/26,390,131.80
  6. Step 6: Final answer
    x = 25,619,010.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.